Linux ntsiav poob kev txhawb nqa rau 32-ntsis Xen qhua hauv hom paravirtualization

Raws li ib feem ntawm kev sim ceg ntawm Linux ntsiav, nyob rau hauv uas 5.4 tso tawm yog tsim, qhia paub hloov, ceeb toom txog qhov kawg ntawm kev txhawb nqa rau 32-ntsis cov qhua khiav hauv paravirtualization hom khiav Xen hypervisor. Cov neeg siv ntawm cov tshuab no raug qhia kom hloov mus siv 64-ntsis kernels hauv cov qhua ib puag ncig lossis siv tag nrho (HVM) lossis ua ke (PVH) virtualization hom es tsis txhob siv paravirtualization (PV) los khiav ib puag ncig.

PV mode tau txiav txim siab raws li tsis siv lawm thiab hloov los ntawm PVH, nyob rau hauv uas paravirtualization (PV) cov ntsiab lus raug txwv rau I / O, cuam tshuam kev tuav, kev teeb tsa thiab kev cuam tshuam nrog cov khoom siv, thiab tag nrho virtualization yog siv los txwv cov lus qhia tshwj xeeb, cais kev hu xov tooj thiab virtualize nco nplooj ntawv ( HWM). Qhov tsis muaj kev tiv thaiv tiv thaiv qhov tsis zoo kuj tau sau tseg tias yog kev sib cav tawm tsam PV hom kev txhawb nqa rau 32-ntsis qhua. Meltdown.

Tau qhov twg los: opennet.ru

Ntxiv ib saib